hg: jdk9/sandbox/jdk: 8068587: ScriptEngineFactory.getParameter() should specify NPE for a null key

[chris.hegarty at oracle.com]

Changeset: eb8ed6284cc8
Author:    sundar
Date:      2015-02-10 14:44 +0530
URL:       http://hg.openjdk.java.net/jdk9/sandbox/jdk/rev/eb8ed6284cc8

8068587: ScriptEngineFactory.getParameter() should specify NPE for a null key
Reviewed-by: alanb, lagergren

! src/java.scripting/share/classes/javax/script/ScriptEngineFactory.java